/*
*  This file is part of mangusta
*
*  mangusta is free software; you can redistribute it and/or modify
*  it under the terms of the GNU General Public License as published by
*  the Free Software Foundation; either version 2 of the License, or
*  (at your option) any later version.
*
*  mangusta is distributed in the hope that it will be useful,
*  but WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*  GNU General Public License for more details.
*
*  You should have received a copy of the GNU General Public License
*  along with mangusta; if not, write to the Free Software
*  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  US
*
*  Author: <antonino.calderone@ericsson.com>, <acaldmail@gmail.com>
*
*/

#ifndef __NU_NAMESPACES_H__
#define __NU_NAMESPACES_H__


/* -------------------------------------------------------------------------- */

#include "nu_symbol_map.h"
#include <string>


/* -------------------------------------------------------------------------- */

namespace nu
{


/* -------------------------------------------------------------------------- */

class global_namespace_tbl_t : public symbol_map_t < std::string, std::string >
{
private:
   global_namespace_tbl_t() = default;
   global_namespace_tbl_t(const global_namespace_tbl_t&) = delete;
   global_namespace_tbl_t& operator=(const global_namespace_tbl_t&) = delete;

   static global_namespace_tbl_t* _instance;

protected:
   virtual void get_err_msg(const std::string& key, std::string& err) const
   {
      err = "'" + key + "()' not defined";
   }

public:
   static global_namespace_tbl_t& get_instance();
};


/* -------------------------------------------------------------------------- */

} // namespace nu

#endif // __NU_NAMESPACES_H__
